Home / 1,492.05-2,058.12-960.75

Finding the Fourth Proportional to 1,492.05, 2,058.12 and 960.75

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Solution

The fourth proportional to 1,492.05, 2,058.12 and 960.75 is: 1,325.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.05 : 2,058.12 = 960.75 : x
  2. Step 2: Convert to fraction form
    1,492.05/2,058.12 = 960.75/x
  3. Step 3: Cross multiply
    1,492.05x = 2,058.12 × 960.75
  4. Step 4: Simplify right side
    1,492.05x = 1,977,338.79
  5. Step 5: Solve for x
    x = 1,977,338.79/1,492.05
  6. Step 6: Final answer
    x = 1,325.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.